fix: Switch converted to Object Literal (#940)

* updating a switch into object literal and fixed a couple linter errors

* added a comment about weird formatting

* style: use lodash get

* fix: pass eslint + puglint + jest

server/middlewares/upload.js

@@ -1,7 +1,5 @@
 const { graphqlUploadExpress } = require('graphql-upload')
 
-/* global WIKI */
-
 /**
  * GraphQL File Upload Middleware
  */